1951 Alvis TB 21 vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 40 year(s). Which means there will be less support and parts availability for 1951 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TB 21 would be higher. At 2,993 cc (6 cylinders), 1951 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1991 Opel Astra (115 HP @ 5200 RPM) has 24 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1991 Opel Astra should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 35 more torque (in Nm) than 1991 Opel Astra. (169 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
1951 Alvis TB 21 | 1991 Opel Astra | |
Make | Alvis | Opel |
Model | TB 21 | Astra |
Year Released | 1951 | 1991 |
Engine Position | Front | Front |
Engine Size | 2993 cc | 1998 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 91 HP | 115 HP |
Engine RPM | 4000 RPM | 5200 RPM |
Torque | 204 Nm | 169 Nm |
Engine Bore Size | 84 mm | 86 mm |
Engine Stroke Size | 90 mm | 86 mm |
Engine Compression Ratio | 7.1:1 | 9.2:1 |
Number of Seats | 5 seats | 5 seats |
Vehicle Length | 4430 mm | 4090 mm |
Vehicle Width | 1680 mm | 1690 mm |
Wheelbase Size | 2750 mm | 2650 mm |